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OpenNI 1.5.2
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OpenNI 1.5.2
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A Gestures Generator node is a Generator that recognizes certain gestures. It supports all Generator functions, and adds additional functions.
| XN_C_API XnStatus XN_C_DECL xnAddGesture | ( | XnNodeHandle | hInstance, |
| const XnChar * | strGesture, | ||
| XnBoundingBox3D * | pArea | ||
| ) |
Turn on gesture. The generator will now look for this gesture.
| hInstance | [in] A handle to the instance |
| strGesture | [in] The name of the gesture to look for |
| pArea | [in] The area in which to look for the gesture (in Real-World coordinates) |
| XN_C_API XnStatus XN_C_DECL xnCreateGestureGenerator | ( | XnContext * | pContext, |
| XnNodeHandle * | phGestureGenerator, | ||
| XnNodeQuery * | pQuery, | ||
| XnEnumerationErrors * | pErrors | ||
| ) |
Creates a Gesture Generator.
| pContext | [in] The context in which to create the gesture generator. |
| phGestureGenerator | [out] A handle to the created gesture generator. |
| pQuery | [in] Optional. Can be used to select which Gesture node to create. If not specified, this function may create any gesture node that is available. |
| pErrors | [in] Optional. If provided, will be filled with information about gesture nodes that could not be created. |
| XN_C_API XnStatus XN_C_DECL xnEnumerateAllGestures | ( | XnNodeHandle | hInstance, |
| XnChar ** | pstrGestures, | ||
| XnUInt32 | nNameLength, | ||
| XnUInt16 * | nGestures | ||
| ) |
Get the names of all gestures available.
| hInstance | [in] A handle to the instance |
| pstrGestures | [out] Preallocated memory, for the gesture names |
| nNameLength | [in] Memory size for each gesture name |
| nGestures | [in,out] The size of the preallocated memory. Changed to number of gestures |
| XN_C_API XnStatus XN_C_DECL xnEnumerateGestures | ( | XnNodeHandle | hInstance, |
| XnChar ** | pstrGestures, | ||
| XnUInt16 * | nGestures | ||
| ) |
Get the names of all gestures available.
| hInstance | [in] A handle to the instance |
| pstrGestures | [out] Preallocated memory, for the gesture names |
| nGestures | [in,out] The size of the preallocated memory. Changed to number of gestures |
| XN_C_API XnStatus XN_C_DECL xnGetActiveGestures | ( | XnNodeHandle | hInstance, |
| XnChar ** | pstrGestures, | ||
| XnUInt16 * | nGestures | ||
| ) |
Get the names of the gestures that are currently active.
| hInstance | [in] A handle to the instance |
| pstrGestures | [out] Preallocated memory, for the gesture names |
| nGestures | [in,out] The size of the preallocated memory. Changed to number of gestures |
| XN_C_API XnStatus XN_C_DECL xnGetAllActiveGestures | ( | XnNodeHandle | hInstance, |
| XnChar ** | pstrGestures, | ||
| XnUInt32 | nNameLength, | ||
| XnUInt16 * | nGestures | ||
| ) |
Get the names of the gestures that are currently active.
| hInstance | [in] A handle to the instance |
| pstrGestures | [out] Preallocated memory, for the gesture names |
| nNameLength | [in] Memory size for each gesture name |
| nGestures | [in,out] The size of the preallocated memory. Changed to number of gestures |
| XN_C_API XnUInt16 XN_C_DECL xnGetNumberOfAvailableGestures | ( | XnNodeHandle | hInstance | ) |
Get the number of all gestures available.
| hInstance | [in] A handle to the instance |
| XN_C_API XnBool XN_C_DECL xnIsGestureAvailable | ( | XnNodeHandle | hInstance, |
| const XnChar * | strGesture | ||
| ) |
Check if a specific gesture is available in this generator.
| hInstance | [in] A handle to the instance |
| strGesture | [in] Name of the gesture to check |
| XN_C_API XnBool XN_C_DECL xnIsGestureProgressSupported | ( | XnNodeHandle | hInstance, |
| const XnChar * | strGesture | ||
| ) |
Check if the specific gesture supports 'in progress' callbacks.
| hInstance | [in] A handle to the instance |
| strGesture | [in] Name of the gesture to check |
| XN_C_API XnStatus XN_C_DECL xnRegisterGestureCallbacks | ( | XnNodeHandle | hInstance, |
| XnGestureRecognized | RecognizedCB, | ||
| XnGestureProgress | ProgressCB, | ||
| void * | pCookie, | ||
| XnCallbackHandle * | phCallback | ||
| ) |
Register to all gesture callbacks.
| hInstance | [in] A handle to the instance |
| RecognizedCB | [in] A callback to be called when a gesture is recognized |
| ProgressCB | [in] A callback to be called when a gesture is on its way to be recognized |
| pCookie | [in] User's cookie, to be delivered to the callbacks |
| phCallback | [out] The handle to these callbacks, to allow unregistration |
| XN_C_API XnStatus XN_C_DECL xnRegisterToGestureChange | ( | XnNodeHandle | hInstance, |
| XnStateChangedHandler | handler, | ||
| void * | pCookie, | ||
| XnCallbackHandle * | phCallback | ||
| ) |
Register to when gestures are added or removed.
| hInstance | [in] A handle to the instance |
| handler | [in] The callback to be called when gesture configuration changes. |
| pCookie | [in] User's cookie, to be delivered to the callbacks |
| phCallback | [out] The handle to these callbacks, to allow unregistration |
| XN_C_API XnStatus XN_C_DECL xnRegisterToGestureIntermediateStageCompleted | ( | XnNodeHandle | hInstance, |
| XnGestureIntermediateStageCompleted | handler, | ||
| void * | pCookie, | ||
| XnCallbackHandle * | phCallback | ||
| ) |
Register to when a gesture is in progress.
| hInstance | [in] A handle to the instance |
| handler | [in] The callback to be called when the gesture is in progress |
| pCookie | [in] User's cookie, to be delivered to the callback |
| phCallback | [out] The handle to the callback, to allow unregistration |
| XN_C_API XnStatus XN_C_DECL xnRegisterToGestureReadyForNextIntermediateStage | ( | XnNodeHandle | hInstance, |
| XnGestureReadyForNextIntermediateStage | handler, | ||
| void * | pCookie, | ||
| XnCallbackHandle * | phCallback | ||
| ) |
Register to when a gesture is ready for its next stage (specific to the gesture)
| hInstance | [in] A handle to the instance |
| handler | [in] The callback to be called when the gesture is ready for its next stage |
| pCookie | [in] User's cookie, to be delivered to the callback |
| phCallback | [out] The handle to this callback, to allow unregistration |
| XN_C_API XnStatus XN_C_DECL xnRemoveGesture | ( | XnNodeHandle | hInstance, |
| const XnChar * | strGesture | ||
| ) |
Turn off gesture. The generator will no longer look for this gesture.
| hInstance | [in] A handle to the instance |
| strGesture | [in] The name of the gesture to not look for anymore |
| XN_C_API void XN_C_DECL xnUnregisterFromGestureChange | ( | XnNodeHandle | hInstance, |
| XnCallbackHandle | hCallback | ||
| ) |
Unregister from when gestures are added or removed.
| hInstance | [in] A handle to the instance |
| hCallback | [in] The handle received from registration |
| XN_C_API void XN_C_DECL xnUnregisterFromGestureIntermediateStageCompleted | ( | XnNodeHandle | hInstance, |
| XnCallbackHandle | hCallback | ||
| ) |
Unregister from when a gesture is in progress.
| hInstance | [in] A handle to the instance |
| hCallback | [in] The handle received from registration |
| XN_C_API void XN_C_DECL xnUnregisterFromGestureReadyForNextIntermediateStage | ( | XnNodeHandle | hInstance, |
| XnCallbackHandle | hCallback | ||
| ) |
Unregister from when a gesture is ready for its next stage.
| hInstance | [in] A handle to the instance |
| hCallback | [in] The handle received from registration |
| XN_C_API void XN_C_DECL xnUnregisterGestureCallbacks | ( | XnNodeHandle | hInstance, |
| XnCallbackHandle | hCallback | ||
| ) |
Unregister from gesture callbacks.
| hInstance | [in] A handle to the instance |
| hCallback | [in] The handle received from registration |
1.7.6.1